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Finding the Fourth Proportional to 179,459.80, 268,865.70 and 104,518.60

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Solution

The fourth proportional to 179,459.80, 268,865.70 and 104,518.60 is: 156,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,459.80 : 268,865.70 = 104,518.60 : x
  2. Step 2: Convert to fraction form
    179,459.80/268,865.70 = 104,518.60/x
  3. Step 3: Cross multiply
    179,459.80x = 268,865.70 × 104,518.60
  4. Step 4: Simplify right side
    179,459.80x = 28,101,466,552.02
  5. Step 5: Solve for x
    x = 28,101,466,552.02/179,459.80
  6. Step 6: Final answer
    x = 156,589.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.